Search found 6 matches

by turkeylegs
Mon Jul 23, 2018 5:40 pm
Forum: ESP32 IDF
Topic: Using sdmmc_write_sectors() on a FAT filesystem to increase data transfer rates
Replies: 0
Views: 913

Using sdmmc_write_sectors() on a FAT filesystem to increase data transfer rates

So after some investigation and reading this thread: https://esp32.com/viewtopic.php?t=1942 I've determined that it would help with data transfer rates to read and write sectors. The issue is I'm not exactly sure I'd use this to create and write files in the FAT filesystem. Anyone have any idea how ...
by turkeylegs
Wed Jul 18, 2018 7:19 pm
Forum: ESP32 IDF
Topic: SD card interface speed issues
Replies: 7
Views: 5814

Re: SD card interface speed issues

Hey, has anybody tried implementing this yet? And what does it look like?

Thanks!
by turkeylegs
Tue Jun 19, 2018 11:08 pm
Forum: ESP32 IDF
Topic: I2S microphone (RX)
Replies: 55
Views: 46849

Re: I2S microphone (RX)

I'm trying to immediately output my i2s input to the dac to i2s, following BuddyCasino's examples but I'm getting heavy distortion. The only thing I can think of is that the DAC is 8 bit and I'm feeding it 32 bits, but nothing I'm doing seems to be working. I also used teh example from here: https:/...
by turkeylegs
Mon Jun 18, 2018 3:59 pm
Forum: ESP32 IDF
Topic: OpenOCD can't detect ESP32 devKit C on Windows
Replies: 2
Views: 1958

Re: OpenOCD can't detect ESP32 devKit C on Windows

First, you need to specify the correct interface file (jlink instead of ftdi/esp32_devkitj...). Second you have not connected TDI, which is required for JTAG to work. ESP32 does not have SWD, you need to connect all of MTDI,MTDO,MTCK,MTMS pins of the ESP32 to the JTAG adapter. I'm aware ESP32 doesn...
by turkeylegs
Fri Jun 15, 2018 5:36 pm
Forum: ESP32 IDF
Topic: OpenOCD can't detect ESP32 devKit C on Windows
Replies: 2
Views: 1958

OpenOCD can't detect ESP32 devKit C on Windows

I used this guide to set up OpenOCD and JTAG on windows: https://esp-idf.readthedocs.io/en/latest/api-guides/jtag-debugging/ Right now I'm using a J-link edu mini, using an SWD cable and this SWD break-out: https://www.adafruit.com/product/2743 Using this image https://www.segger.com/fileadmin/image...
by turkeylegs
Mon Jun 11, 2018 4:28 pm
Forum: ESP32 IDF
Topic: Running MPU-9250 library example, stuck waiting for notification
Replies: 0
Views: 1126

Running MPU-9250 library example, stuck waiting for notification

Hi y'all, I've been working with the Devkit C and the Sparkfun MPU-9250 module. To get it to work, I've been using the following library: https://github.com/natanaeljr/esp32-MPU-driver So far I've managed to get the examples to work, by simply using the esp-idf-template, editing the makefile to incl...

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